CN215570686U

CN215570686U - Fume exhaust fan

Info

Publication number: CN215570686U
Application number: CN202120936792.9U
Authority: CN
Inventors: 彭臣西
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2022-01-18
Anticipated expiration: 2031-04-30

Abstract

The utility model discloses a range hood, which comprises a shell and a panel arranged on the front side of the shell, wherein an air inlet is formed in the panel, the range hood also comprises a smoke baffle plate assembly capable of turning open or closing the air inlet, the smoke baffle plate assembly comprises a first smoke baffle plate and a second smoke baffle plate which are arranged side by side on the left and right of the air inlet, the first smoke baffle plate and the second smoke baffle plate can be positioned at a first position for closing the corresponding part of the air inlet and a second position for turning open the corresponding part of the air inlet, when the first smoke baffle plate is positioned at the second position, the first smoke baffle plate can longitudinally move relative to the corresponding part of the air inlet, and when the second smoke baffle plate is positioned at the second position, the second smoke baffle plate can longitudinally move relative to the corresponding part of the air inlet. Compared with the prior art, the utility model has the advantages that: each keeps off the cigarette board and can adjust along with the size of oil smoke volume to can adapt to different operating modes, effectively utilize the range hood amount of wind to carry out the effective suction of oil smoke, reduce and run the cigarette risk.

Description

Fume exhaust fan

Technical Field

The utility model relates to an oil fume purification device, in particular to a range hood.

Background

The range hood has become one of the indispensable kitchen household electrical appliances in modern families. The side-draft range hood absorbs most of oil smoke close to a cooking bench in an arc form by using a vortex air pressure principle, so that adverse effects on human health can be reduced, and the suction effect of a power source is basically not reduced because the power source is close to the cooking bench.

The smoke baffle plate can only perform simple overturning movement generally, so that the working position of the smoke baffle plate is fixed, the smoke baffle plate cannot be adjusted along with the size of the oil smoke volume, and the smoke baffle plate is not beneficial to the application of the range hood to different working conditions. When a user cooks on one side, the air quantity of the range hood cannot be effectively utilized to effectively suck the oil smoke, so that the risk of smoke leakage can be caused when the range hood works;

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a range hood aiming at the defects in the prior art, wherein a smoke baffle component of the range hood can be adjusted along with the volume of oil smoke, and the range hood can be suitable for different working conditions of the range hood, effectively utilizes the air volume of the range hood to effectively suck the oil smoke, and reduces the risk of smoke leakage.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a range hood, includes casing and the panel of setting in the casing front side, the air intake has been seted up on the panel, range hood still opens or closes the cigarette board subassembly that keeps off of air intake, its characterized in that including the upset: keep off the cigarette board subassembly and include first fender cigarette board and the second cigarette board that sets up side by side about air inlet department, first fender cigarette board and second keep off the cigarette board homoenergetic and be in the first position and the second position that the air intake corresponds the part that open the air intake and correspond the part that close the air intake corresponds, work as when first fender cigarette board is in the second position, first fender cigarette board can be relative the corresponding part longitudinal movement of air intake, work as when second fender cigarette board is in the second position, second fender cigarette board can be relative the corresponding part longitudinal movement of air intake.

In order to realize the longitudinal movement of the first smoke baffle and the second smoke baffle, the range hood comprises a first motion mechanism for driving the smoke baffle assembly to turn over, and the range hood also comprises a second motion mechanism for driving the first motion mechanism to longitudinally move.

In order to set up first motion and second motion, first motion has two, corresponds first cigarette board and second cigarette board setting respectively, the second motion has two, corresponds two first motion settings respectively, the second motion is including the sharp drive module of the first motion longitudinal movement of drive. The first motion mechanism is connected with the corresponding linear driving module.

In order to realize the connection of the first motion mechanism and the second motion mechanism, the first motion mechanism and the second motion mechanism are both arranged on one side of the panel, which is back to the oil smoke, the first motion mechanism comprises a first driving device, a driving device bracket for fixing the driving device and a transmission mechanism for connecting the first driving device and the corresponding smoke baffle plate, the linear driving module comprises a sliding block capable of longitudinally moving along the panel, and the range hood further comprises a connecting piece for connecting the sliding block and the driving device bracket.

In order to realize the transmission function, drive mechanism includes swing arm, first connecting rod and the second connecting rod as the first motion output, first drive arrangement includes the output, wherein one end and output fixed connection of swing arm the other end of swing arm is rotated with one of them one end of first connecting rod and is connected, one of them one end and the connecting piece of second connecting rod rotate to be connected, the other end is connected with one side of the fender cigarette board towards the casing that corresponds, the one end that the swing arm was kept away from to first connecting rod is located the body part rotation connection between two tip with first connecting rod.

In order to guide the movement of each smoke baffle and limit the movement track, the range hood further comprises a third movement mechanism, the third movement mechanism comprises two slide rods and a third connecting rod, the slide rods are arranged on one side of the panel back to the oil smoke and above the air inlet, the slide rods extend along the left and right direction of the panel, the third connecting rods are arranged corresponding to the first smoke baffle and the second smoke baffle, one end of each third connecting rod is connected with the slide rods in a sliding manner, the other end of each third connecting rod is connected with the corresponding smoke baffle in a rotating manner towards one side of the shell, the second connecting rod is connected with the corresponding smoke baffle in a rotating manner towards one side of the shell, the rotating shaft at the joint of the second connecting rod and the corresponding smoke baffle extends towards the width direction of the smoke baffle, and the rotating shaft at the joint of the third connecting rod and the corresponding smoke baffle extends towards the width direction of the smoke baffle.

In order to enable the first smoke baffle and the second smoke baffle to be obliquely arranged and realize the flow guide function, the output ends of the first motion mechanism and the second motion mechanism are respectively arranged at two ends, far away from each other, of the first smoke baffle and the second smoke baffle, and each third connecting rod is respectively arranged at two ends, close to each other, of the first smoke baffle and the second smoke baffle.

In order to realize the function of the linear driving module, the linear driving module is arranged on one side of the panel, which is back to the oil smoke, the linear driving module further comprises a second driving device, a screw rod which is driven by the second driving device and can rotate around the axis of the screw rod, and a sliding groove for the sliding of the sliding block, the screw rod and the sliding groove are arranged on the panel and are longitudinally arranged, and the sliding block is in threaded connection with the screw rod and can slide along the length direction of the screw rod.

In order to sense the oil smoke volume and the oil smoke temperature, the range hood further comprises an oil smoke sensor which can sense the oil smoke volume and the oil smoke temperature and is used for controlling each motion mechanism.

Preferably, the oil smoke sensor is arranged on one side of the panel facing the oil smoke and below the air inlet.

Compared with the prior art, the utility model has the advantages that: when the first smoke baffle is positioned at the second position, the first smoke baffle can longitudinally move relative to the corresponding part of the air inlet, and when the second smoke baffle is positioned at the second position, the second smoke baffle can longitudinally move relative to the corresponding part of the air inlet, so that each smoke baffle can be adjusted along with the amount of oil smoke, the smoke baffle is suitable for different working conditions of a range hood, the air volume of the range hood is effectively utilized to effectively suck the oil smoke, and the risk of smoke leakage is reduced; the smoke baffle plate assembly is provided with a first motion mechanism for driving the smoke baffle plate assembly to turn over, and a second motion mechanism for driving the first motion mechanism to longitudinally move, so that the smoke baffle plates can longitudinally move in an open state; by arranging the third movement mechanism, each baffle can form an inclined shape after moving longitudinally, so that the flow guide function is realized.

Drawings

Fig. 1 is a schematic view of a range hood in a closed state according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a portion of the components of the range hood of FIG. 1;

FIG. 3 is an enlarged view of portion I of FIG. 2;

FIG. 4 is a schematic view of a portion of the components of the range hood according to the embodiment of the present invention;

fig. 5 is a schematic view of a fully opened range hood according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of a portion of the components of the extractor hood of FIG. 5;

FIG. 7 is a partial schematic view of a portion of the components of the range hood of FIG. 6;

fig. 8 is a bottom view of the range hood in the fully open state according to the embodiment of the present invention;

FIG. 9 is an enlarged view of portion II of FIG. 8;

FIG. 10 is an enlarged view of portion III of FIG. 8;

FIG. 11 is a schematic view of the two sides of the range hood according to the embodiment of the present invention;

FIG. 12 is an enlarged view of a portion IV of FIG. 11;

FIG. 13 is an enlarged view of portion V of FIG. 11;

FIG. 14 is a schematic view of a portion of the components of the extractor hood of FIG. 11;

FIG. 15 is an enlarged view of a portion VI of FIG. 14;

FIG. 16 is a partial schematic view of a portion of the components of the range hood of FIG. 15;

fig. 17 is a schematic view of a third movement mechanism of the range hood according to the embodiment of the present invention;

fig. 18 is a schematic view of a state in which one side of the range hood is closed and one side is guided by a flow in accordance with the embodiment of the present invention;

fig. 19 is a schematic view of a range hood according to an embodiment of the present invention in a state of one side open and one side flow guiding.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and to simplify the description, but are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and that the directional terms are used for purposes of illustration and are not to be construed as limiting, for example, because the disclosed embodiments of the present invention may be oriented in different directions, "lower" is not necessarily limited to a direction opposite to or coincident with the direction of gravity. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

Referring to fig. 1, 5, 8, 11 and 18 to 19, a range hood of the present embodiment is of a side-draft type, and includes a housing 1 and a panel 2 disposed on a front side of the housing 1. The middle part of the panel 2 is provided with an air inlet 21. A smoke barrier assembly capable of turning the air inlet 21 on or off is further disposed at the air inlet 21.

The smoke baffle component comprises a first smoke baffle 3 and a second smoke baffle 4 which are arranged side by side at the left and the right of the air inlet 21. The first smoke baffle 3 and the second smoke baffle 4 can be located at a first position for closing the corresponding part of the air inlet 21 and a second position for turning over and opening the corresponding part of the air inlet 21. When the first smoke barrier 3 is at the second position, the first smoke barrier 3 can move longitudinally relative to the corresponding part of the air inlet 21; when the second smoke baffle 4 is in the second position, the second smoke baffle 4 can move longitudinally relative to the corresponding portion of the air inlet 21. The longitudinal movement here is a single-sided movement on the left or right side in the present embodiment, and thus the actual movement is embodied as a linear movement and a rotation, see below in particular.

Referring to fig. 2 to 4, 6 to 7 and 14 to 17, the range hood includes a first movement mechanism 5 for driving the smoke barrier assembly to turn over, a second movement mechanism 6 for driving the first movement mechanism 5 to move longitudinally, and a third movement mechanism 9. The first motion mechanism 5 is connected with the corresponding second motion mechanism 6 through a connecting piece 7.

Referring to fig. 3, 4, 7, 15, and 16, the first movement mechanism 5 includes a first driving device 51, and a driving device bracket 52 for fixing the first driving device 51. And a transmission mechanism 53 connected between the first driving device 51 and the corresponding smoke barrier. The transmission mechanism 53 includes a swing arm 531, a first link 532, and a second link 533 as an output end of the first motion mechanism 5. The first driving device 51 includes an output end 511, one end of the swing arm 531 is fixedly connected to the output end 511, the other end of the swing arm 531 is rotatably connected to one end of the first link 532, one end of the second link 533 is rotatably connected to the connecting member 7, the other end of the second link 533 is connected to one side of the corresponding smoke barrier facing the housing 1, and one end of the first link 532 away from the swing arm 531 is rotatably connected to the body portion of the first link 532 located between the two ends.

The second movement mechanism 6 includes a linear drive module. The linear driving module comprises a second driving device 62, a screw rod 63 driven by the second driving device 62 to rotate around the axis of the second driving device, a sliding block 61 serving as the output end of the second movement mechanism 6, and a sliding groove 64 for sliding the sliding block 61, wherein the screw rod 63 and the sliding groove 64 are arranged on the panel 2 and are longitudinally arranged, parts of the screw rod 63 and the sliding groove 64 are positioned at the air inlet 21, and the sliding block 61 is sleeved on the periphery of the screw rod 63 and is in threaded connection with the screw rod 63 so as to slide along the length direction of the screw rod 63. The linear driving module further comprises a mounting bracket 65, and two ends of the screw 63 are fixed on the panel 2 through the mounting bracket 65. The driving device bracket is connected with the sliding block 61 through a connecting piece 7, so that the first movement mechanism 5 and the second movement mechanism 6 are connected.

Referring to fig. 2, 6, 8, 14 and 17, the range hood further includes a third motion mechanism 9, and the third motion mechanism 9 includes a slide rod 91 and a third link 92. The sliding rod 91 is arranged on the side of the panel 2 facing away from the oil smoke and above the air inlet 21, and the sliding rod 91 extends along the left and right direction of the panel 2. The third connecting rods 92 are provided with two parts and arranged corresponding to the first smoke baffle 3 and the second smoke baffle 4. One end of the third link 92 is slidably connected to the slide rod 91, and the other end is rotatably connected to a side of the smoke barrier facing the housing 1.

Referring to fig. 2, 6 and 8 to 13, the two first moving mechanisms 5 and the two second moving mechanisms 6 are respectively and correspondingly arranged at two ends of the first smoke baffle 3 and the second smoke baffle 4 which are far away from each other. The two second connecting rods 533 are respectively disposed at two ends of the first smoke baffle 3 and the second smoke baffle 4, which are far away from each other, and the two third connecting rods 92 are respectively disposed at two ends of the first smoke baffle and the second smoke baffle 4, which are close to each other. The first smoke baffle 3 and the second smoke baffle 4 are provided with a smoke baffle bracket 10 towards one side of the shell 1. The smoke barrier support 10 has four corresponding to the number of the second links 533 and the number of the third links 92. The second link 533 and the third link 92 are connected to the smoke barrier assembly through the smoke barrier support 10. The second connecting rod 533 is rotatably connected to the corresponding smoke barrier support 10, the rotating shaft at the connection between the second connecting rod 533 and the corresponding smoke barrier support 10 extends in the width direction of the corresponding smoke barrier, and the rotating shaft at the connection between the third connecting rod 92 and the corresponding smoke barrier support 10 also extends in the width direction of the corresponding smoke barrier.

Referring to fig. 11 and 19, when the second motion mechanism 6 disposed corresponding to the first smoke barrier 3 drives the first motion mechanism 5 to descend, the left side of the first smoke barrier 3 moves downward, and the right side of the first smoke barrier 3 moves leftward, so that the first smoke barrier 3 forms an inclined shape with a lower left and a higher right. When the second movement mechanism 6 arranged on the second smoke baffle 4 drives the first movement mechanism 5 to descend, the right side of the second smoke baffle 4 moves downwards, and the left side of the second smoke baffle 4 moves towards the left side, so that the second smoke baffle 4 forms an inclined shape with a high left and a low right. The inclined first smoke baffle 3 and the inclined second smoke baffle 4 can move the corresponding air inlet 21 part up and down respectively, one part of oil smoke is divided by moving the corresponding smoke baffles downwards, moves upwards along the corresponding smoke baffles in an inclined way and is further sucked away by the fan, and one part of oil smoke is sucked away by the negative pressure area above the corresponding smoke baffles.

Referring to fig. 1, 5, 11 and 18 to 19, the range hood further includes a smoke sensor 8 capable of sensing the amount of smoke and the temperature of the smoke flow, thereby controlling the operation of the smoke baffle assembly. In this embodiment, the smoke sensor 8 is disposed at a side of the panel 2 facing the smoke and below the air inlet 21. In this embodiment, the smoke sensor 8 has two parts, which are respectively disposed corresponding to the left and right parts of the air inlet 21.

The control flow of the smoke baffle plate component of the range hood is described below, wherein the temperature of the airflow is T_tThe set value of the smoke sensor 8 for the air flow temperature is represented by T_{Is provided with}Indicating that the amount of oil smoke generated by the left cooker is M_{Left side of}Indicating that the amount of oil smoke generated by the right cooker is M_{Right side}M is a set value of the soot sensor 8 for the amount of soot_{Is provided with}Specifically, the method comprises the following steps:

1) starting the range hood;

2) the oil smoke sensor 8 detects the temperature T of the air flow_tAnd judging the temperature T of the air flow detected by the oil smoke sensor 8_tWhether or not greater than T_{Is provided with}If yes, go to step 3), if no, detect the temperature T of the air flow_t；

3) Identifying the source of hot air flow, and entering step 4) if only the left cooker generates a heat source, entering step 8) if the left cooker and the right cooker both generate heat sources, and entering step 6) if only the right cooker generates a heat source;

4) the first smoke baffle 3 is fully opened, the second smoke baffle 4 is closed, and the step 5 is carried out;

5) the smoke sensor 8 detects the left smoke amount M_{Left side of}Judgment of M_{Left side of}Whether or not it is greater than M_{Is provided with}If yes, entering 5.1), if no, continuing to detect the oil smoke quantity M_{Left side of}；

5.1) the first smoke baffle 3 moves downwards to a corresponding position, and the step 5.2) is carried out;

5.2) detecting whether the left side has the oil smoke escape phenomenon by the oil smoke sensor 8, if so, entering the step 5.3), and if not, returning to the step 5);

5.3) prompting maintenance;

6) closing the first smoke baffle 3, fully opening the second smoke baffle 4, and entering the step 7);

7) the oil smoke sensor 8 detects the oil smoke quantity M on the right side_{Right side}Judgment of M_{Right side}Whether or not it is greater than M_{Is provided with}If yes, entering 7.1), if no, continuing to detect the oil smoke quantity M_{Right side}；

7.1) moving the second smoke baffle 4 downwards to a corresponding position, and entering the step 7.2);

7.2) the oil smoke sensor 8 detects whether the oil smoke escape phenomenon exists on the right side, if so, the step 7.3) is carried out, and if not, the step 7) is carried out;

7.3) prompting maintenance;

8) the first smoke baffle 3 and the second smoke baffle 4 are both fully opened, and the step 5 and the step 7) are carried out.

Claims

1. The utility model provides a range hood, includes casing (1) and panel (2) of setting in casing (1) front side, air intake (21) have been seted up on panel (2), range hood still opens or closes the cigarette board subassembly that keeps off of air intake (21) including the upset, its characterized in that: keep off the cigarette board subassembly and include that first fender cigarette board (3) and second fender cigarette board (4) that set up side by side about air intake (21) department, first fender cigarette board (3) and second fender cigarette board (4) homoenergetic are in the first position of closing air intake (21) corresponding part and the second position that air intake (21) corresponding part was opened in the upset, work as when first fender cigarette board (3) are in the second position, first fender cigarette board (3) can be relative the corresponding part longitudinal movement of air intake (21), work as when second fender cigarette board (4) are in the second position, second fender cigarette board (4) can be relative the corresponding part longitudinal movement of air intake (21).

2. The range hood of claim 1, wherein: the range hood comprises a first movement mechanism (5) for driving the smoke baffle plate assembly to turn over, and the range hood further comprises a second movement mechanism (6) for driving the first movement mechanism (5) to longitudinally move.

3. The range hood of claim 2, wherein: the first motion mechanism (5) is provided with two first smoke baffles (3) and two second smoke baffles (4) which are respectively corresponding to the two first motion mechanisms, the second motion mechanism (6) is provided with two first motion mechanisms (5) which are respectively corresponding to the two first motion mechanisms, and the second motion mechanism (6) comprises a linear driving module which drives the first motion mechanism (5) to longitudinally move. The first motion mechanism (5) is connected with the corresponding linear driving module.

4. The range hood of claim 3, wherein: first motion (5) and second motion (6) all set up the one side at panel (2) oil smoke dorsad, first motion (5) include first drive arrangement (51), be used for drive arrangement support (52) of first drive arrangement (51) to and connect drive mechanism (53) between first drive arrangement (51) and the fender cigarette board that corresponds, the sharp drive module is including slider (61) that can follow panel (2) longitudinal movement, range hood is still including connecting piece (7) that are used for connecting slider (61) and drive arrangement support (52).

5. The range hood of claim 4, wherein: the transmission mechanism (53) comprises a swing arm (531), a first connecting rod (532) and a second connecting rod (533) serving as an output end of the first movement mechanism (5), the first driving device (51) comprises an output end (511), one end of the swing arm (531) is fixedly connected with the output end (511), the other end of the swing arm (531) is rotatably connected with one end of the first connecting rod (532), one end of the second connecting rod (533) is rotatably connected with a connecting piece (7), the other end of the second connecting rod is connected with one side of the corresponding smoke baffle plate facing the casing (1), and one end, far away from the swing arm (531), of the first connecting rod (532) is rotatably connected with a body part, located between the two end parts, of the first connecting rod (532).

6. The range hood of claim 5, wherein: the range hood still includes third motion (9), third motion (9) include slide bar (91) and third connecting rod (92), slide bar (91) set up in one side of panel (2) oil smoke dorsad, the top of air intake (21), and slide bar (91) extend along the left and right sides direction of panel (2), third connecting rod (92) have two, with first fender cigarette board (3) and second fender cigarette board (4) correspond the setting, wherein one end and slide bar (91) sliding connection, the other end of third connecting rod (92) rotate towards one side of casing (1) with the fender cigarette board that corresponds and be connected, second connecting rod (533) extend towards the width direction of fender cigarette board with the axis of rotation of the fender cigarette board junction that corresponds, third connecting rod (92) extend towards the width direction of cigarette board with the axis of rotation of the fender cigarette board junction that corresponds And (6) stretching.

7. The range hood of claim 6, wherein: the output ends of the first movement mechanism (5) and the second movement mechanism (6) are respectively arranged at two ends, far away from each other, of the first smoke baffle (3) and the second smoke baffle (4), and each third connecting rod (92) is respectively arranged at two ends, close to each other, of the first smoke baffle (3) and the second smoke baffle (4).

8. The range hood according to any one of claims 4 to 7, wherein: the linear driving module is arranged on one side, back to the oil smoke, of the panel (2), and further comprises a second driving device (62), a screw rod (63) driven by the second driving device (62) to rotate around the axis of the linear driving module and a sliding chute (64) for the sliding of the sliding block (61), the screw rod (63) and the sliding chute (64) are arranged on the panel (2) and are longitudinally arranged, and the sliding block (61) is in threaded connection with the screw rod (63) and can slide along the length direction of the screw rod (63).

9. The range hood of claim 2, wherein: the range hood also comprises an oil smoke sensor (8) which can sense the oil smoke quantity and the oil smoke temperature and is used for controlling each movement mechanism.

10. The range hood of claim 9, wherein: the oil smoke sensor (8) is arranged on one side of the panel (2) facing to oil smoke and below the air inlet (21).